Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins David Berman as Dr. David Phillips Joseph Patrick Kelly as Officer Metcalf Eric Stonestreet as Ronnie Litre Jeffrey D. Sams as Det. Cyrus Lockwood J. Marvin Campbell as Hazmat Guy Zachary Quinto as Mitchell Sullivan Anthony Starke as Matt Hudson Gabriel Olds as Ben Weston Paul Schackman as Bob Martin Cathy Herd as Stacy Warner Lyndon Smith as Graham Co Starring Adam Nelson as Reed Collins
